diff options
| author | Matthew Ranostay <mranostay@embeddedalley.com> | 2008-07-18 20:20:52 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-07-20 21:17:49 +0400 |
| commit | 1cd2224cd01898a13138f4ab476932cfb689839e (patch) | |
| tree | b482e8f8e6e51fd5143ac9ef7edc88194b031d9c /sound/pci/hda/hda_beep.h | |
| parent | 68c072388d2339af504c033a51886ea7c6b8d806 (diff) | |
| download | linux-1cd2224cd01898a13138f4ab476932cfb689839e.tar.xz | |
ALSA: hda: digital pc-beep support hd-audio codecs
Added digital pc-beep support using linear tone generation for hd-codecs along
with initial support for several IDT codecs.
Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/hda/hda_beep.h')
| -rw-r--r-- | sound/pci/hda/hda_beep.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_beep.h b/sound/pci/hda/hda_beep.h new file mode 100644 index 000000000000..de4036e6e710 --- /dev/null +++ b/sound/pci/hda/hda_beep.h @@ -0,0 +1,44 @@ +/* + * Digital Beep Input Interface for HD-audio codec + * + * Author: Matthew Ranostay <mranostay@embeddedalley.com> + * Copyright (c) 2008 Embedded Alley Solutions Inc + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This driver is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __SOUND_HDA_BEEP_H +#define __SOUND_HDA_BEEP_H + +#include "hda_codec.h" + +/* beep information */ +struct hda_beep { + struct input_dev *dev; + struct hda_codec *codec; + char phys[32]; + int tone; + int nid; + struct work_struct beep_work; /* scheduled task for beep event */ +}; + +#ifdef CONFIG_SND_HDA_INPUT_BEEP +int snd_hda_attach_beep_device(struct hda_codec *codec, int nid); +void snd_hda_detach_beep_device(struct hda_codec *codec); +#else +#define snd_hda_attach_beep_device(...) +#define snd_hda_detach_beep_device(...) +#endif +#endif |